2017Elmlund Review

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Citation

Elmlund, D.; Le, S. N. & Elmlund, H. High-resolution cryo-EM: the nuts and bolts. Current opinion in structural biology, 2017 , 46 , 1-6

Abstract

Cryogenic electron microscopy (cryo-EM) and single-particle analysis now enables the determination of high-resolution structures of macromolecular assemblies that have resisted X-ray crystallography and other approaches. Successful high-resolution structure determination by cryo-EM always depends on the quality of the protein sample. While structural heterogeneity remains a key challenge for cryo-EM, it also represents a rare opportunity to study the intrinsic conformational flexibility of macromolecular assemblies. Here, we review the key technological advancements that have made this 'resolution revolution' possible and give a concise overview of the technical challenges that needed to be overcome to allow high-resolution structure determination.

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https://www.ncbi.nlm.nih.gov/pubmed/28342396

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